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[Studies on chemical constituents in herb of Myricaria bracteata].

Rong Zhou, Tao Wang, Du Xinzhen

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Abstract

OBJECTIVE: To study the chemical constituents of Myricaria bracteata. METHOD: The chemical constituents were isolated by silica gel column chromatography and the structures were elucidated by spectroscopic methods. RESULT: Eleven compounds were obtained and identified as rhamnetin, 3,5,4'-trihydroxy-7,3'-dimethoxyflavone, 3,5,4'-trihydroxy-7-methoxyflavone, quercetin-3-O-alpha-L-rhamnopyranoside, kaempferol, quercetin, chrysoerio, gallic acid, gallic acid ethylester, beta-sitosterol, daucosterol. CONCLUSION: All compounds were obtained from M. bracteata for the first time.

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What this paper is about

OBJECTIVE: To study the chemical constituents of Myricaria bracteata. METHOD: The chemical constituents were isolated by silica gel column chromatography and the structures were elucidated by spectroscopic methods. RESULT: Eleven compounds were obtained and identified as rhamnetin, 3,5,4'-trihydroxy-7,3'-dimethoxyflavone, 3,5,4'-trihydroxy-7-methoxyflavone, quercetin-3-O-alpha-L-rhamnopyranoside, kaempferol, quercetin, chrysoerio, gallic acid, gallic acid ethylester, beta-sitosterol, daucosterol. CONCLUSION: All compounds were obtained from M. bracteata for the first time.

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Available abstract

OBJECTIVE: To study the chemical constituents of Myricaria bracteata. METHOD: The chemical constituents were isolated by silica gel column chromatography and the structures were elucidated by spectroscopic methods. RESULT: Eleven compounds were obtained and identified as rhamnetin, 3,5,4'-trihydroxy-7,3'-dimethoxyflavone, 3,5,4'-trihydroxy-7-methoxyflavone, quercetin-3-O-alpha-L-rhamnopyranoside, kaempferol, quercetin, chrysoerio, gallic acid, gallic acid ethylester, beta-sitosterol, daucosterol. CONCLUSION: All compounds were obtained from M. bracteata for the first time.

Key concepts: Daucosterol, Gallic acid, Quercetin, Kaempferol, Chemical constituents, Chemistry, Herb, Silica gel

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